This document discusses the definitions and scope of economics. It is divided into three broad groups: economics as the science of wealth, concerning material welfare, and dealing with allocation of scarce resources. The document also lists several reasons to learn economics, such as to understand society, global affairs, develop businesses, and understand value chains. It notes that Nepal became a member of the WTO in 2004 to ease the study of international trade and development arrangements. Finally, it provides a list of economic terms.